Test Background c-ANCAs are directed against proteinase 3 and are typically associated with Wegener’s granulomatosis. See neutrophil cytoplasmic antibodies (ANCA).
Clinical Indications Suspected Wegener’s granulomatosis and monitoring treatment.
Reference Range <2 IU/mL = Neg2 – 3 IU/mL = Equivocal>3 IU/mL = Pos
Sample Required RST (rust top)
Sample Volume 5-10 mL (1 mL serum)
Turnaround Time 5 days